Unovent® is the No 1 effective and efficient home ventilation solution, at up to half the price of others, and only Unovent® offers a 20 year warranty.

Unovent® - the disruptor in home ventilation

The Unovent® moisture reducing home ventilation system gives you a drier, warmer feeling and healthier home for up to 50% less than the cost of other systems.  Installation is one call away and the unique ductless system is the most energy efficient system in the market.  

The unique ceiling mounted Unovent® v-line™ ductless system draws dry, filtered air from the roof space to reduce moisture buildup, continually maintaining the airflow and air quality.  The Unovent® h-line™ ductless system, for rooms with no roof cavity above them, draws dry, filtered air from outside the house to reduce moisture buildup. Fully automated and optimised for NZ conditions, the systems keeps your home feeling warmer and reduces odour and moisture - no more dripping windows, damp drapes or mould.



Learn more Unovent® Ventilation Fan

Tired of suffering from
asthma and allergies?

Our standard twin filter filters out pollens that may trigger asthma and allergies

The Unovent® Twin filter incorporates an industrial graded G4 pre-filter together with an ultra-thin Helix PollenGuard® Filter developed to remove harmful particles in your home.

Benefits of Unovent® PollenGuard® are:

  • Air filtration of small particles
    • e.g. Pollen, dust, germs, smog, spores, PM2.5 etc
  • Extremely easy for air to flow through
  • Ultra-thin & light
  • Produced in New Zealand
  • Retrofits and upgrades into existing systems
  • Simple to fit, no experts required

Unovent® Ventilation FanThe best home ventilation system not only circulates dry air into the home to reduce condensation and moisture build-up, (which in turn helps to prevent rot, mould & mildew from forming major causes of asthma & allergies) but also has minimum energy and running costs.

Click here to read more about PollenGuard®


  • also ask us about the Unovent® h-line™ solution for flat roof houses, lower floor rooms of two storey houses and skillion roof houses!
  • and ask us about the Unovent® Unosola™ solution for holiday homes while you are not there and you want the mains power switched off.

Unovent® is an affordable home ventilation system with a 20 year warranty that improves air quality and reduces moisture for healthier Kiwi homes.


Up to 50% saving on other systems, yet more effective.


You won’t even know it’s there.

No electronics to master

Safe 12 volt transformer plugged
into 240v socket.

Cheap to run

Less than $1 per month to run
versus $5 to $30 running costs for other systems.

Fully automated

Built in temperature and humidity sensor controller, optimised for NZ conditions with no adjustments required.

Our Promise

Designed to run more than 150,000 hours backed by a 20 year warranty.


NZ Produced

Designed and
assembled in New Zealand.

Unovent® Home Ventilation Systems are proudly designed and developed in NZ


What Customers Say

Installing your Unovent System Installing your Unovent System Testimonials
Unovent Ductless Ventilation System Unovent Ductless Ventilation System Testimonials

"Unovent® has eliminated condensation on windows and there has been a huge overall reduction in moisture around the house."

Andrew, homeowner, Pakuranga Heights

More testimonials

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Through a positive pressure ventilation process, Unovent® slowly dries soft furniture, bedding, clothing and carpets.

Find out how Unovent® makes healthy Kiwi homes

Showerdome and Unovent® are affiliated NZ enterprises successful at reducing unwanted moisture in the home with simple and effective solutions

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with Showerdome.

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Showerdome Limited and Unovent Limited are New Zealand enterprises successful at reducing unwanted moisture in the home with simple and effective solutions.